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How to tell if new Mopar Torque Converter Installed? Also, which is better, new Mopar or Suncoast?  RSS feed
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AZCRDGuy

Joined: 18/04/2010 11:58:32
Messages: 2
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I purchased a used 2005 CRD (36k miles) in October 2009 from a Jeep Dealership in Mesa, AZ. I'm wondering if the new Mopar torque converter might have been installed in it.

I have not done any trailer towing yet.

Can you tell via engine computer codes or does one have to look at a part number on the TC? Would Chrysler have service records from previous owner that would indicate that a service tech could look up at a dealership?

Also, what do you folks at GDE think is better, the new Mopar or Suncoast?

I am planning on getting one of your tune kits soon, but I am trying to decide if I want to do TC upgrade and Hot Tune, or just get the EcoTune now and do TC upgrade later.

CRD Joe
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Joined: 18/07/2009 21:11:02
Messages: 49
Location: Seattle, Washington
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I would guess that the Suncoast unit (I have one) is ultimately a stronger unit.

'05 CRD
Suncoast, Transco, Inmotion, Provent, ORM Snorkle, HID's, 2.5" Cat back no muffler, V6 Airbox, Fumoto, Cat 2 filter
GreenDieselEngineering
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Joined: 10/07/2009 07:25:47
Messages: 350
Location: Southeast Michigan
AZCRDGuy wrote:I purchased a used 2005 CRD (36k miles) in October 2009 from a Jeep Dealership in Mesa, AZ. I'm wondering if the new Mopar torque converter might have been installed in it.

I have not done any trailer towing yet.

Can you tell via engine computer codes or does one have to look at a part number on the TC? Would Chrysler have service records from previous owner that would indicate that a service tech could look up at a dealership?

Also, what do you folks at GDE think is better, the new Mopar or Suncoast?

I am planning on getting one of your tune kits soon, but I am trying to decide if I want to do TC upgrade and Hot Tune, or just get the EcoTune now and do TC upgrade later.



There is no way to tell if the new Mopar TC is installed or not. Do you know when the TC was swapped? The Euro TC only became available around September 2009. It does not even have the part number stamped on the unit for traceability...at least the two we purchased didn't.

We have not tested the Suncoast TC and are not in a good position to determine which unit is better for the KJ. Suncoast increases the inertia, which will help to reduce the impact of the cyclic torsionals from the engine firing frequency. It might be worthwhile to start a topic on the LOST forum asking Suncoast users if the shudder is eliminated when running aftermarket performance tunes. It would also be beneficial to know from Suncoast if they increase the lock-up clutch spring capacity as this is the root cause for shudder with the stock TC.
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